20080868 Ver 2_I-79 2014 DCUT11 Ponar Upstream Raw Data Table_20150717

Table 1 -79. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the
DCUT11 upstream station in May 2014.
DCUT11 Upstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Polychaeta
Amphicteis floridus
68
38
96
82
84
73.6
Streblospio benedicti
0
0
0
8
0
1.6
Arthropoda
Insecta
Coleoptera
Peltodytes sp.
0
4
0
0
0
0.8
Diptera
Bezzia/Palpomyia complex
6
2
0
6
3
3.4
Chironomus decorus
0
0
0
0
3
0.6
Dasyhe /ea sp.
0
0
0
0
3
0.6
Dicrotendipes nervosus
8
4
16
24
54
21.2
Goeldichironomus devineyae
0
0
0
6
0
1.2
Tabanidae sp.
0
0
0
0
3
0.6
Tanytarsus sp.
26
24
56
62
69
47.4
Hemiptera
Corixidae sp.
0
10
0
0
9
3.8
Trichocorixa sexcincta
0
0
2
0
0
0.4
Odonata
Coenagrionidae sp.
0
0
2
0
0
0.4
Ischnura sp.
0
2
0
0
0
0.4
Malacostraca
Amphipoda
Apocorophium louisianum
0
0
0
4
6
2.0
Apocorophium sp.
0
0
6
8
33
9.4
Gammarus tigrinus
100
92
66
100
100
91.6
Decapoda
Palaemonetes pugio
0
0
0
0
3
0.6
Isopoda
Cyathura polita
0
0
0
0
3
0.6
Ostracoda
Candonidae sp.
2
4
0
8
24
7.6
Cyprideis littoralis
100
34
70
66
42
62.4
Mollusca
Bivalvia
Bivalvia sp.
0
0
0
4
0
0.8
Mytilopsis leucophaeata
0
0
0
1
0
0.2
Gastropoda
Littoridinops tenuipes
100
100
100
100
100
100.0

Nematoda
Nematoda sp.
Total taxa by sample
Total abundance = 2,192
Total taxa present = 21
Shannon - Wiener diversity = 2.08
4 4
414 318
I�
0 16
414 495
12
551
7.2